38787877632 has 72 divisors (see below), whose sum is σ = 117979810816. Its totient is φ = 11082249216.

The previous prime is 38787877631. The next prime is 38787877651. The reversal of 38787877632 is 23677878783.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (38787877631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3602128 + ... + 3612879.

Almost surely, 2^38787877632 is an apocalyptic number.

38787877632 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

38787877632 is an abundant number, since it is smaller than the sum of its proper divisors (79191933184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38787877632 is an equidigital number, since it uses as much as digits as its factorization.

38787877632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7215033 (or 7215019 counting only the distinct ones).

The product of its digits is 132765696, while the sum is 66.

The spelling of 38787877632 in words is "thirty-eight billion, seven hundred eighty-seven million, eight hundred seventy-seven thousand, six hundred thirty-two".